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Headlight Switch Replacement
 
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Pelican Technical Article:

Headlight Switch Replacement

Steve Vernon

Time:

1 hour1 hr

Tab:

$160

Talent:

**

Tools:

Trim removal tool

Applicable Models:

Mercedes-Benz C250 (2012-14)
Mercedes-Benz C300 (2008-14)
Mercedes-Benz C350 (2008-14)

Parts Required:

Switch

Hot Tip:

Watch your hands for cuts

Performance Gain:

Working headlights

Complementary Modification:

Change cabin air filter

The headlight control switch on the Mercedes W204 is well known to have problems as they wear. If yours is starting to go bad make sure to replace it before it fails. Replacement is easy; it is just a tight fit working in the space behind the dash.

You will need to remove the trim piece at the end of the dash to access the light switch.
Figure 1

You will need to remove the trim piece at the end of the dash to access the light switch. Use a trim removal tool and gently pry away the side panel from the end of the dash (red arrow).

With the clips released pull the panel forward and away from the dash.
Figure 2

With the clips released pull the panel forward and away from the dash.

There are three metal clips on the back of the headlight switch that hold it in place; they are in the positions noted by the red arrows.
Figure 3

There are three metal clips on the back of the headlight switch that hold it in place; they are in the positions noted by the red arrows. You will need to carefully reach in and compress the metal clips in towards the center of the switch and then push the switch forward. There is nothing really sharp back there but it is a tight fit so watch your hands for cuts.

With the switch free from the dash pull it a little forward and release the wiring connection (red arrow) by squeezing in the tab and pulling it out from the switch.
Figure 4

With the switch free from the dash pull it a little forward and release the wiring connection (red arrow) by squeezing in the tab and pulling it out from the switch.

This photo illustrates the two clips on the bottom that you squeeze in to release the housing from the dash (red arrows).
Figure 5

This photo illustrates the two clips on the bottom that you squeeze in to release the housing from the dash (red arrows).

Gently push the two tabs on the rear of the housing outward (red arrows).
Figure 6

Gently push the two tabs on the rear of the housing outward (red arrows). This will release the switch and trim ring from the housing.

You can now slide the switch (red arrow) and trim ring (yellow arrow) from the housing (green arrow).
Figure 7

You can now slide the switch (red arrow) and trim ring (yellow arrow) from the housing (green arrow). Installation is the reverse of removal.

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Page last updated: Wed 12/7/2016 02:57:20 AM